Environmental, social and legal considerations
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While most renewable energy sources do not produce pollution directly, the materials, industrial processes, and construction equipment used to create them may generate waste and pollution. Some renewable energy systems actually create environmental problems. Sustainable development and global warming groups propose a ...

A five year project to refit a 35m trimaran using a variety of renewable energy resources found in the marine environment. The objective of this project is to cut the cord completely from fossil fuels for all but long range voyages in excess of 500nm. Energy for house loads ...

Renewable energy. In one hour we get enough sunlight on the earth to power the planet for a year. The molecular design of new materials for efficient harvesting of photons from the sun is promising. But storing that energy requires the next generation of batteries: sustainable, safe, and high-energy. Alan ...

After the oil crisis of the 1970s, Congress authorized the creation of a government laboratory tasked with solving the puzzle of how to save energy using renewable resources. Three decades later, more than 1,100 scientists and engineers continue their search at the National Renewable Energy Laboratory in Colorado.
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Solar Power - Technologies that harness the energy of the sunThe researchers managed to create a cheap, efficient and very simple method .... It works by collecting the suns energy through solar panels and then stores ... in our never ending search to make alternative energy sources more viable. ...

In the search for India's prosperity and energy independence, important figures such as Carlos Gutierrez, U.S. Secretary of Commerce, Minister Sushil Kumar Shinde, Ronen Sen and William S. Cohen among others gathered at the Green India Summit to make the U.S. and India equal partners in sustainable development.Duration : 0:2:40

http://www.keterorganica.com/ The green energy production from biogas which pertains to the renewable energy sources means a promising mode of energy production that is less harmful to the environmentDuration : 0:3:55